This area is very seismically active. Since 1950, there have been 50 quakes of M7+ in Central America on or near the plate boundary and 7 of those happened within 155 miles (250 km) of today’s earthquake.
Dr. Wendy BohonShallow magnitude 7.3 earthquake 48 km SW of Aquiles Serdán, Mexico earthquake.usgs.gov/earthquakes/...